20pcs 4S Single 3.7V 18650 Lithium Battery Capacity Indicator Module Percent Power Level Tester LED Display Board

Features:

 

1. Intelligent power display panel, tap the trigger switch to display, display automatically closed after 3 seconds (Note: if you need to keep the light , direct short-circuit switch)

2. Static power consumption 2~3 mA, It's negligible

3. Power indication(The color of the lamp is green)

U≈6.6V  25% led indicator is lit

U≈7V     50% led indicator is lit

U≈7.5V  75% led indicator is lit

U≈8V     100% led indicator is lit

 

Package Included:

 

20 x 4S Single 3.7V 18650 Lithium Battery Capacity Indicator Module